Antidiabetic and anti-oxidative compound herbal preparation for treating diabetes mellitus
A technology of compound prescriptions and herbal medicines, applied in the direction of anti-toxins, medical preparations containing active ingredients, metabolic diseases, etc., can solve the problems of side effects of drugs, and achieve the effect of reducing the recurrence of diabetes and reducing the activity
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Embodiment 1
[0015] Analysis of active ingredients in compound herbal preparations:
[0016] 1. Qualitative analysis of anthraquinone compounds: Take 0.5g of compound herbal medicine extract, put it into a test tube containing 5mL of chloroform, extract it on a shaking table for 5 minutes, then filter it, add the same volume of 10% ammonia water to the filtrate, mix it, place it, and observe The color of the water layer, if it is pink, it is positive.
[0017] 2. Qualitative analysis of flavonoids: take 0.5g compound herbal extract, put it into a test tube containing 10mL ethyl acetate, heat it with hot steam for three minutes and filter it, take 4mL of the filtrate in the test tube, add 1mL of diluted ammonia to the filtrate Solution, mix well and place it, observe the color of the solution, if it is yellow, it is positive.
[0018] 3. Qualitative analysis of saponin: Take 2g of the compound herbal medicine extract, place it in a test tube filled with 20mL of distilled water, take a boil...
Embodiment 2
[0025] Determination of antioxidant substances in herbal compound preparations in vitro:
[0026] 1. Determination of total antioxidant activity by β-carotene removal method: Take 1 mL of β-carotene solution (chloroform solution containing 0.2 mg / mL β-carotene) and put it into a circle containing 25 µL of linoleic acid and 200 mg of Tween 20. In the bottom flask, chloroform was removed by rotary evaporation, and 50ml of distilled water was added to the flask, which was shaken vigorously. Take 2.5mL of the above solution and place it in a cuvette with a cover, and add 200 µL of herbal compound preparation extract solution (1 mg / mL), measure the absorbance value A0 at 470nm, and then place the cuvette in a 50°C incubator After reacting for 3 hours, measure ƛ470nm again as At, and use distilled water as a negative control to measure the absorbance value ƛ470nm as A00 and A0t at 0h and 3h of reaction, and use BHT as a positive control.
[0027] The formula for antioxidant activit...
Embodiment 3
[0040] Determination of antidiabetic activity of herbal compound preparation in vitro:
[0041] Inhibitory effect test of herbal compound preparation extract on α-amylase and α-glucosidase
[0042]Treatment of the herbal compound preparation extract: Weigh the herbal compound preparation extract and dissolve it in dimethyl sulfoxide (DMSO (v / v1:1)) to prepare a solution with a concentration of 0-4mg / ml for later use.
[0043] Test of the inhibitory effect of herbal compound preparations on α-amylase: Take 500 μl of the above-mentioned solutions of each concentration in a test tube, add 0.5 mg / ml α-amylase (dissolved in 0.02M, pH 6.9 phosphate buffer) to the test tube 500 μl of the solution was incubated at 25°C for 10 minutes, and 500 μl of 1% (dissolved in 0.02M, pH 6.9 phosphate buffer) starch solution was added again, incubated at 25°C for 10 minutes, and the reaction was terminated by adding a chromogen. Heat the test tube in boiling water for 5 min, then cool to room tem...
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